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  <h1 class="topictitle1">找不到系统编写器导致备份任务失败，错误详情包含“8078001D”错误码</h1>
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    <h4 class="sectiontitle">现象描述</h4>
    <p>备份任务失败，界面提示“ActiveDirectory备份子任务由于系统原因导致执行失败，系统错误码：8078001D，错误描述：The system writer is not found in the backup.”。</p>
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    <h4 class="sectiontitle">可能原因</h4>
    <p><span style="color:#161616;">备份失败原因是找不到系统编写器。该报错可能是用户对生产主机中的</span>%windir%\winsxs\temp\PendingRenames或%windir%\winsxs\filemaps<span style="color:#161616;">目录中的文件的权限不正确。</span></p>
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      <p>%windir%为环境变量，一般默认它指向C:\Windows。</p>
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    <h4 class="sectiontitle">处理步骤</h4>
    <p>请参见<a href="https://learn.microsoft.com/zh-cn/troubleshoot/windows-server/backup-and-storage/system-writer-not-found-in-backup" target="_blank" rel="noopener noreferrer">在备份中找不到系统编写器</a>。</p>
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     <strong>父主题：</strong> <a href="ActiveDirectory-00084.html">常见问题</a>
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